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To configure Integrated Windows authentication
1.In IIS Manager, double-click the local computer; right-click the Web Sites folder, an individual Web site folder, a virtual directory, or a file; and then click Properties.
2.Click the Directory Security or File Security tab, and then, in the Authentication and access control section, click Edit.
3.In the Authenticated access section, select the Windows Integrated Authentication check box.
4.Click OK twice